22"w X 14"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 23.75"w x 15.75"h] Aluminum Bar Ideal for Walls & Ceilings:

Ideal for Walls & Ceilings: Designed for seamless installation in standard 20" X 10" duct openings

+ Product Description Introducing our High-Quality Copper Coil

Installation is hassle-free

+ Product Details Perfect Fit & Easy Sizing - Designed for a 36" x 20" OR 20" x 36" duct opening (measured at the opening)

Versatile Compatibility: Our ceiling grills aren't limited to just T bar drop ceilings

22"w X 14"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 23.75"w x 15.75"h] Aluminum Bar Ideal for Walls & Ceilings:+ Product Details Size 22"w X 14"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 23. 75" Width X 15. 75" Height Weather and Pest Proof These louvers are especially designed to prevent water from entering your home, and with a built in back 1 2" mesh they also protect you from annoying rodents like mice, rats, birds, and squirrels High Quality Aluminum The premium durable aluminum will never rust and it will never